TCAS Messages

The ND can show these messages for TCAS:

· TFC shows in cyan in the CTR MAP and EXP MAP, VOR and APP modes. It shows the TCAS traffic display is active. The TFC switch on the EFIS control panel must be set to ON.

· TA ONLY shows in cyan and in all modes. It shows that TCAS is not calculating RAs. It shows if the TFC switch on the EFIS control panel is set to ON or OFF.

· TCAS TEST shows in cyan and in all modes. It shows that TCAS is in the test mode. It shows if the TFC switch on the EFIS control panel is set to ON or OFF.

· TCAS TEST FAIL shows on two lines when in test mode and the TCAS has a failure. TCAS and FAIL show in amber and TEST shows in cyan. It shows if the TFC switch on the EFIS control panel is set to ON or OFF.

· TCAS FAIL shows in amber and in all modes. It shows that TCAS has failed. The TFC switch on the EFIS control panel must be set to ON.

· TCAS OFF shows on two lines in amber and in all modes. It shows that the ATC mode switch is not in TA or TA/RA. It shows if the TFC switch on the EFIS control panel is set to ON or OFF.